- "invisible.lua" renamed to "invisibl.lua" to comply with respak filenames limit

- Removed unused "work" directory

game.ini

@@ -2,4 +2,4 @@ title=Cacaus
 width=128
 height=96
 zoom=5
-files=final.lua,fade.lua,audio.lua,dead.lua,scenes.lua,trigger.lua,score.lua,switches.lua,map.lua,mapa.lua,bol.lua,invisible.lua,gota.lua,fireball.lua,cacau.lua,bambolla.lua,imp.lua,gps.lua,peu.lua,gorro.lua,batman.lua,elalien.lua,premiere.lua,caco.lua,zombie.lua,abad.lua,intro.lua,game.lua,main.lua
+files=final.lua,fade.lua,audio.lua,dead.lua,scenes.lua,trigger.lua,score.lua,switches.lua,map.lua,mapa.lua,bol.lua,invisibl.lua,gota.lua,fireball.lua,cacau.lua,bambolla.lua,imp.lua,gps.lua,peu.lua,gorro.lua,batman.lua,elalien.lua,premiere.lua,caco.lua,zombie.lua,abad.lua,intro.lua,game.lua,main.lua